This paper experimentally studies two simple interventions aimed at increasing public goods provision in settings in which accurate feedback about contributions is not available. The first intervention aims to exploit lying aversion by requiring subjects to send a non-verifiable ex post...

A large body of evidence suggests that people are willing to sacrifice personal material gain in order to adhere to a moral motive such as fairness or truth-telling. Yet less is known about what happens when moral motives are in conflict. We hypothesize that in such situations, individuals...

This paper studies individual truth-telling behavior in the presence of multiple lying opportunities with heterogeneous stake sizes. The results show that individuals lie downwards (i.e. forgo money due to their lie) in low-stakes situations in order to signal honesty, and thereby mitigate the...